The first thing that you would want to do is locate the fuse for your Astra's radiator fan and make sure that it hasn't blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again. The wiring harness itself can go bad. It seems that Vauxhall/Opel are using this kind of message as a catch-all "Something isn't 100% correct with the sensor readings the central computer is receiving. Please hand over some cash to your local dealer.". This initially unconcerning message appeared on the Astra's display right from my first drives of the car. For the past few months, the cooling fan is running all the time, not straight away when the engine starts. It doesn't run for about 1 minute then starts running as fast as it will go, outside temperature can be -5 right up to 20 degrees. I have changed 2 temperature sensors, 1 on the radiator, and 1 behind the thermostat. If the engine light on your BMW X3 is flashing constantly, you should soon go to your auto technician to have a closer look at the trigger of your trouble. We even advise you to switch off the engine of your BMW X3 directly to avoid making the trouble more serious, because a endlessly flashing engine light on your car is the most severe I have had problems ever since with the engine warning light coming on regularly and have been back on a number of occasions. A computer check indicated that it needed a new crank sensor, which was replaced, but the warning light still came on. An auto electrician they called in said that as the timing belt was an aftermarket one the teeth didn 4. Spark Plugs or Ignition Coils. Another very common reason the check engine light comes on is when there is an issue with one of your spark plugs or ignition coils. Things may not be firing correctly, which can cause engine performance loss and the check engine light is letting you know that there is a problem. 5. c0JN.

opel astra engine light stays on